Woody plant
/ˈwʊdi plænt/
Definition
Woody plant refers to a plant that produces persistent woody stems or trunks through secondary growth, the thickening caused by tissues such as vascular cambium. Unlike herbaceous plants, its aboveground framework does not die back completely at the end of the growing season. Trees, shrubs, and many vines fit this category. The wood supports the plant, transports water, and allows long-lived stems to keep enlarging year after year.
Botanical Significance
- Secondary growth: A woody plant increases stem and root thickness through secondary growth, produced by the vascular cambium. This process adds new xylem and phloem, the tissues that move water, minerals, and sugars.
- Long-term structure: Persistent wood supports taller, longer-lived forms such as trees, shrubs, and some vines. That durable framework lets buds, leaves, and flowers be carried above competing vegetation year after year.
- Seasonal adaptation: Bark and dormant buds help protect living tissues during cold, heat, drought, and physical damage. In many species, stored reserves in woody stems and roots support regrowth after leaf drop or stress.
- Identification and classification: Whether a species is a woody plant is a basic trait used in botany and horticulture. It helps separate major growth forms and guides expectations for pruning response, mature size, and lifespan.